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Enzyme Reaction

Enzyme Reaction
A substrate binds to its enzyme at a location called the __________ site.

substrate
active
polypeptide
coenzyme

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Enzyme Reaction
An endergonic reaction is one that

requires energy in order to proceed
gives off much heat
releases energy for work
looses energy

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Enzyme Reaction
Anthranilate synthase, the first enzyme of tryptophan biosynthesis after the branch point shows feedback inhibition and repression due to

L-serine
D-L-tryptophan hydantoin
pyruvate
L-tryptophan

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Enzyme Reaction
The affinity of an enzyme for its substrate, when the enzyme has a Km of 0.50 M will be __________ than the affinity of an enzyme for its substrate when the enzyme has a Km of 0.05 M.

lesser
greater
approximately equal
half

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Enzyme Reaction
Oxidation is the

gain of protons
gain of electron
loss of proton
loss of electron

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Enzyme Reaction
In the reaction, C6H12O6 + 6O2 → 6CO2 + 6H2O + energy, which component is being reduced?

H2O
O2
Energy
CO2

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